Personalis ($PSNL) Insider Trading & Smart Money Activity

Personalis, Inc. · Diagnostics & Research · Latest filing Sep 18, 2026

Personalis, Inc. ($PSNL) has 14 insider trades on file. In the last 12 months on the open market, no insider bought and 5 insiders sold ($336.66K), net -$336.66K.

Insider buyers (12 mo)
0
Insider sellers (12 mo)
5
Net insider $ (12 mo)
-$336.66K
Congress trades (12 mo)
0
13F moves on file
0
Analyst ratings on file
0

PSNL insider buying and selling by quarter

QuarterInsider buysInsider salesCongress buys / sales13F added / cut
Q1 2026 0 0 0 / 0 0 / 0
Q2 2026 0 1 · $69.75K 0 / 0 0 / 0
Q3 2026 0 4 · $266.92K 0 / 0 0 / 0
Q4 2026 0 0 0 / 0 0 / 0

Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.

All PSNL insider, congress, 13F and analyst activity

DateSourceWhoActionSharesValue / amount ΔOwn1W1M6MFilingStory
Insider Tachibana AaronCFO AND COO Sell (Open-market sale) 2.93K sh $47.54K +0.4% —
Insider Moore Stephen MichaelSVP and Chief Legal Officer Sell (Open-market sale) 2.07K sh $33.54K +0.4% —
Insider Hall Christopher MChief Executive Officer Sell (Open-market sale) 7.46K sh $120.98K +0.4% —
Insider Chen RichardPresident and CMO Sell (Open-market sale) 4K sh $64.85K +0.4% —
Insider Aaron TachibanaCFO AND COO Sell (Open-market sale) 10b5-1 4.98K sh $69.75K +4.3%-14.7% —
Insider Aaron TachibanaCFO AND COO Buy (Option exercise) 4.98K sh $26.50K +4.3%-14.7% —
Insider Aaron TachibanaCFO AND COO Sell (Option exercise) 51.25K sh +10.1%-8.0% —
Insider Aaron TachibanaCFO AND COO Sell (Option exercise) 51.25K sh +10.1%-8.0% Read
Insider Aaron TachibanaCFO AND COO Buy (Option exercise) 51.25K sh $383.37K +10.1%-8.0% —
Insider Aaron TachibanaCFO AND COO Buy (Option exercise) 51.25K sh $383.37K +10.1%-8.0% Read
Insider Christopher HallChief Executive Officer Sell (Option exercise) 100K sh +10.1%-8.0% —
Insider Christopher HallChief Executive Officer Sell (Option exercise) 100K sh +10.1%-8.0% Read
Insider Christopher HallChief Executive Officer Buy (Option exercise) 100K sh $161K +10.1%-8.0% —
Insider Christopher HallChief Executive Officer Buy (Option exercise) 100K sh $161K +10.1%-8.0% Read

1W / 1M / 6M = how PSNL moved from the trade or filing date.

Insider trading in PSNL: who is buying and selling

InsiderRoleTradesOpen-market netShares heldLast trade
Tachibana Aaron CFO AND COO 1 -$47.54K Sep 18, 2026
Moore Stephen Michael SVP and Chief Legal Officer 1 -$33.54K Sep 18, 2026
Hall Christopher M Chief Executive Officer 1 -$120.98K Sep 18, 2026
Chen Richard President and CMO 1 -$64.85K Sep 18, 2026
Aaron Tachibana CFO AND COO 6 -$69.75K Jun 29, 2026
Christopher Hall Chief Executive Officer 4 — Jun 26, 2026

Frequently asked questions

Are PSNL insiders buying or selling?

Over the last 12 months 0 insiders made 0 open-market purchases worth $0 and 5 insiders made 5 open-market sales worth $336.66K, a net -$336.66K.

What is the latest insider trade in PSNL?

Tachibana Aaron, CFO AND COO filed a sell (open-market sale) of 2.93K sh worth $47.54K on Sep 18, 2026.

Other diagnostics & research stocks

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.

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